Add 90/6 and 70/25, Solve 15 0/6 + 2 20/25 as a fraction

Add 90/6 and 70/25

1^st number: 15 0/6, 2^nd number: 2 20/25

90/6 + 70/25 is 89/5.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 25 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 6 × 25 = 150,
90/6 = 90 × 25/6 × 25 = 2250/150
Likewise, for the 2nd fraction, since 25 × 6 = 150,
70/25 = 70 × 6/25 × 6 = 420/150
Add the two like fractions:
2250/150 + 420/150 = 2250 + 420/150 = 2670/150
2670/150 simplified gives 89/5
So, 90/6 + 70/25 = 89/5
In mixed form: 174/5

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad